The state may bring an action to vacate or annul letters patent for lands granted by this state in any of the following cases:
Whenever the attorney general has good reason to believe that any act or omission specified in this section can be proved and that the person to be made defendant has no sufficient legal defense, the attorney general must commence such an action. Upon the rendition of a judgment vacating or annulling letters patent, the attorney general shall cause a copy of the judgment roll to be filed in the office of the secretary of state.
N.D.C.C. § 32-12-01